Stash rating system (#2830)

* add rating100 fields to represent rating range 1-100
* deprecate existing (1-5) rating fields
* add half- and quarter-star options for rating system
* add decimal rating system option

Co-authored-by: WithoutPants <53250216+WithoutPants@users.noreply.github.com>

pkg/models/model_scene.go

@@ -12,17 +12,18 @@ import (
 
 // Scene stores the metadata for a single video scene.
 type Scene struct {
-	ID        int    `json:"id"`
-	Title     string `json:"title"`
-	Code      string `json:"code"`
-	Details   string `json:"details"`
-	Director  string `json:"director"`
-	URL       string `json:"url"`
-	Date      *Date  `json:"date"`
-	Rating    *int   `json:"rating"`
-	Organized bool   `json:"organized"`
-	OCounter  int    `json:"o_counter"`
-	StudioID  *int   `json:"studio_id"`
+	ID       int    `json:"id"`
+	Title    string `json:"title"`
+	Code     string `json:"code"`
+	Details  string `json:"details"`
+	Director string `json:"director"`
+	URL      string `json:"url"`
+	Date     *Date  `json:"date"`
+	// Rating expressed in 1-100 scale
+	Rating    *int `json:"rating"`
+	Organized bool `json:"organized"`
+	OCounter  int  `json:"o_counter"`
+	StudioID  *int `json:"studio_id"`
 
 	// transient - not persisted
 	Files         RelatedVideoFiles
@@ -134,12 +135,13 @@ func (s *Scene) LoadRelationships(ctx context.Context, l SceneReader) error {
 // ScenePartial represents part of a Scene object. It is used to update
 // the database entry.
 type ScenePartial struct {
-	Title     OptionalString
-	Code      OptionalString
-	Details   OptionalString
-	Director  OptionalString
-	URL       OptionalString
-	Date      OptionalDate
+	Title    OptionalString
+	Code     OptionalString
+	Details  OptionalString
+	Director OptionalString
+	URL      OptionalString
+	Date     OptionalDate
+	// Rating expressed in 1-100 scale
 	Rating    OptionalInt
 	Organized OptionalBool
 	OCounter  OptionalInt
@@ -168,22 +170,25 @@ type SceneMovieInput struct {
 }
 
 type SceneUpdateInput struct {
-	ClientMutationID *string            `json:"clientMutationId"`
-	ID               string             `json:"id"`
-	Title            *string            `json:"title"`
-	Code             *string            `json:"code"`
-	Details          *string            `json:"details"`
-	Director         *string            `json:"director"`
-	URL              *string            `json:"url"`
-	Date             *string            `json:"date"`
-	Rating           *int               `json:"rating"`
-	OCounter         *int               `json:"o_counter"`
-	Organized        *bool              `json:"organized"`
-	StudioID         *string            `json:"studio_id"`
-	GalleryIds       []string           `json:"gallery_ids"`
-	PerformerIds     []string           `json:"performer_ids"`
-	Movies           []*SceneMovieInput `json:"movies"`
-	TagIds           []string           `json:"tag_ids"`
+	ClientMutationID *string `json:"clientMutationId"`
+	ID               string  `json:"id"`
+	Title            *string `json:"title"`
+	Code             *string `json:"code"`
+	Details          *string `json:"details"`
+	Director         *string `json:"director"`
+	URL              *string `json:"url"`
+	Date             *string `json:"date"`
+	// Rating expressed in 1-5 scale
+	Rating *int `json:"rating"`
+	// Rating expressed in 1-100 scale
+	Rating100    *int               `json:"rating100"`
+	OCounter     *int               `json:"o_counter"`
+	Organized    *bool              `json:"organized"`
+	StudioID     *string            `json:"studio_id"`
+	GalleryIds   []string           `json:"gallery_ids"`
+	PerformerIds []string           `json:"performer_ids"`
+	Movies       []*SceneMovieInput `json:"movies"`
+	TagIds       []string           `json:"tag_ids"`
 	// This should be a URL or a base64 encoded data URL
 	CoverImage    *string   `json:"cover_image"`
 	StashIds      []StashID `json:"stash_ids"`
@@ -204,7 +209,7 @@ func (s ScenePartial) UpdateInput(id int) SceneUpdateInput {
 		stashIDs = s.StashIDs.StashIDs
 	}
 
-	return SceneUpdateInput{
+	ret := SceneUpdateInput{
 		ID:           strconv.Itoa(id),
 		Title:        s.Title.Ptr(),
 		Code:         s.Code.Ptr(),
@@ -212,7 +217,7 @@ func (s ScenePartial) UpdateInput(id int) SceneUpdateInput {
 		Director:     s.Director.Ptr(),
 		URL:          s.URL.Ptr(),
 		Date:         dateStr,
-		Rating:       s.Rating.Ptr(),
+		Rating100:    s.Rating.Ptr(),
 		Organized:    s.Organized.Ptr(),
 		StudioID:     s.StudioID.StringPtr(),
 		GalleryIds:   s.GalleryIDs.IDStrings(),
@@ -221,6 +226,14 @@ func (s ScenePartial) UpdateInput(id int) SceneUpdateInput {
 		TagIds:       s.TagIDs.IDStrings(),
 		StashIds:     stashIDs,
 	}
+
+	if s.Rating.Set && !s.Rating.Null {
+		// convert to 1-100 scale
+		rating := Rating100To5(s.Rating.Value)
+		ret.Rating = &rating
+	}
+
+	return ret
 }
 
 // GetTitle returns the title of the scene. If the Title field is empty,